package com.technician.model.security;

import com.alibaba.fastjson.annotation.JSONField;
import com.technician.model.entity.User;
import lombok.Data;
import lombok.NoArgsConstructor;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.authority.SimpleGrantedAuthority;
import org.springframework.security.core.userdetails.UserDetails;

import java.util.Collection;
import java.util.List;
import java.util.stream.Collectors;

@NoArgsConstructor
@Data
public class LoginUser implements UserDetails {

    private User user;

    private List<String> permissions;

    public LoginUser(User user,List<String> permissions) {
        this.user = user;
        this.permissions = permissions;
    }

    // redis 不序列化这个变量, 这个变量只用于传给 Security 校验 权限
    @JSONField(serialize = false)
    private List<SimpleGrantedAuthority> authorities;

    /**
     * 把权限封装给 authorities 然后给 Security 校验 权限
     * @return
     */
    @Override
    public Collection<? extends GrantedAuthority> getAuthorities() {
        if (authorities != null) {
            return authorities;
        }
        return permissions.stream().map(SimpleGrantedAuthority::new).collect(Collectors.toList());
    }

    @Override
    public String getPassword() {
        return user.getPassword();
    }

    @Override
    public String getUsername() {
        return user.getUserName();
    }

    @Override
    public boolean isAccountNonExpired() {
        return true;
    }

    @Override
    public boolean isAccountNonLocked() {
        return true;
    }

    @Override
    public boolean isCredentialsNonExpired() {
        return true;
    }

    @Override
    public boolean isEnabled() {
        return true;
    }
}